Antec NSK 2480 Manual - Page 6

The Power Supply Air Intake - cpu cooler

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Note regarding using fan speed controllers with TriCool fans: The minimum voltage to start the fan is 5V. We recommend our users set the fan speed to High if the fan will be connected to a fan control device or to the Fan-Only connector found on some Antec power supplies. A fan-control device regulates the fan speed by varying the voltage to it. The voltage may start as low as 4.5 V to 5V. Connecting a TriCool™ set on Medium or Low to a fan-control device may result in the fan not being able to start. The already lowered voltage from the fan control device will be further reduced by the TriCool circuitry below 5V. Specifications Size: Rated Voltage: Operating Voltage: 120 x 120 x 25.4 mm DC 12V 10.2V ~ 13.8V Speed High 2000 RPM Medium 1600 RPM Low 1200 RPM Input Current 0.24A (Max.) 0.2A 0.13A Air Flow 2.24 m³ / min (79 CFM) 1.59 m³ / min (56 CFM) 1.1 m³ / min (39 CFM) Static Pressure 2.54 mm-H O 2 (0.10 inch-H O) 2 1.53 mm-H2O (0.06 inch-H O) 2 0.92 mm-H O 2 (0.04 inch-H O) 2 Acoustical Noise 30 dBA 28 dBA 25 dBA Input Power 2.9 W 2.4 W 1.6 W The Bottom Air Intake There are intake vents at the bottom of the case right under the HDD chamber. Fresh cool air will flow through the vents through the hard drives, and then flow into the motherboard chamber and exhaust by the two 120mm TriCool fans. Note: Do not place the NSK2480 on a soft surface or over anything that will block the bottom air vents. The Upper Air Intake There are vents on the top panel above the PCI expansion slots. Fresh air will flow through them into the motherboard chamber to cool the VGA card. Note: Do not place anything on top of the NSK2480 that will block the top air vents The Rear Air Intake There are vents right above the rear I/O panel and on the PCI expansion slot covers to bring in fresh air to help cool the CPU and VGA card. CPU Air Guide The CPU Air Guide and rear air intake work together to provide fresh air to the CPU cooler to enhance the CPU cooling. The CPU Air Guide consists of several sections that can be adjusted to best suit each individual motherboard CPU position. The Power Supply Air Intake There are vents on the left side of the case to bring fresh air into the power supply chamber to cool the power supply. Note: Please leave at least 1" (2.5cm) between the left side of the case and 5

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Note regarding using fan speed controllers with TriCool fans:
The minimum voltage to start the fan is 5V. We recommend our users set the fan
speed to High if the fan will be connected to a fan control device or to the
Fan-Only connector found on some Antec power supplies. A fan-control device
regulates the fan speed by varying the voltage to it. The voltage may start as low
as 4.5 V to 5V. Connecting a TriCool™ set on Medium or Low to a fan-control
device may result in the fan not being able to start. The already lowered voltage
from the fan control device will be further reduced by the TriCool circuitry below 5V.
Specifications
Size:
120 x 120 x 25.4 mm
Rated Voltage:
DC 12V
Operating Voltage:
10.2V ~ 13.8V
The Bottom Air Intake
There are intake vents at the bottom of the case right under the HDD chamber.
Fresh cool air will flow through the vents through the hard drives, and then flow
into the motherboard chamber and exhaust by the two 120mm TriCool fans.
Note:
Do not place the NSK2480 on a soft surface or over anything that will block
the bottom air vents.
The Upper Air Intake
There are vents on the top panel above the PCI expansion slots. Fresh air will flow
through them into the motherboard chamber to cool the VGA card.
Note:
Do not place anything on top of the NSK2480 that will block the top air vents
The Rear Air Intake
There are vents right above the rear I/O panel and on the PCI expansion slot
covers to bring in fresh air to help cool the CPU and VGA card.
CPU Air Guide
The CPU Air Guide and rear air intake work together to provide fresh air to the
CPU cooler to enhance the CPU cooling. The CPU Air Guide consists of several
sections that can be adjusted to best suit each individual motherboard
CPU position.
The Power Supply Air Intake
There are vents on the left side of the case to bring fresh air into the power supply
chamber to cool the power supply.
Note:
Please leave at least 1” (2.5cm) between the left side of the case and
Speed
Input
Current
Air Flow
Static Pressure
Acoustical
Noise
Input
Power
High
2000 RPM
0.24A
(Max.)
2.24 m³ / min
(79 CFM)
2.54 mm-H
2
O
(0.10 inch-H
2
O)
30 dBA
2.9 W
Medium
1600 RPM
0.2A
1.59 m³ / min
(56 CFM)
1.53 mm-H
2
O
(0.06 inch-H
2
O)
28 dBA
2.4 W
Low
1200 RPM
0.13A
1.1 m³ / min
(39 CFM)
0.92 mm-H
2
O
(0.04 inch-H
2
O)
25 dBA
1.6 W